Hi Richard, > -----Original Message----- > From: Richard Cochran <[email protected]> > Sent: Wednesday, September 18, 2019 11:43 AM > To: Jianyong Wu (Arm Technology China) <[email protected]> > Cc: [email protected]; [email protected]; > [email protected]; [email protected]; Mark Rutland > <[email protected]>; Will Deacon <[email protected]>; Suzuki > Poulose <[email protected]>; [email protected]; Steve > Capper <[email protected]>; Kaly Xin (Arm Technology China) > <[email protected]>; Justin He (Arm Technology China) > <[email protected]>; nd <[email protected]>; linux-arm- > [email protected] > Subject: Re: [PATCH 3/6] Timer: expose monotonic clock and counter value > > On Tue, Sep 17, 2019 at 07:24:27AM -0400, Jianyong Wu wrote: > > A number of PTP drivers (such as ptp-kvm) are assuming what the > > current clock source is, which could lead to interesting effects on > > systems where the clocksource can change depending on external events. > > > > For this purpose, add a new API that retrives both the current > > monotonic clock as well as its counter value. > > > > Signed-off-by: Marc Zyngier <[email protected]> > > Signed-off-by: Jianyong Wu <[email protected]> > > --- > > include/linux/timekeeping.h | 3 +++ > > kernel/time/timekeeping.c | 13 +++++++++++++ > > 2 files changed, 16 insertions(+) > > For core time keeping changes, you must CC lkml, tglx, and John Stultz. >
Thanks, I will. Thanks Jianyong Wu > Thanks, > Richard
